Weather forecast for todayChelsea, SD

Weather forecast for today

Current condition 12:38 am CDT

  • 48°F
  • Feels like:
    43°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 12mphS 170°
  • Humidity: 59%
  • Dewpoint: 34°F
  • Pressure: 29.93"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Currently, the sky is a flawless clear blue with no cloud formations.
The temperature is a frosty 48.2°F, the feels-like temperature is slightly different, computed to be a brisk 42.8°F. The current temperature is far from the maximum of 69.8°F predicted for today.

Sunday Oct 18, 2026

  • 70°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 12mphENE 62°
  • Humidity: 54%
  • UV index: 3
  • Sunrise: 7:55 am CDT
  • Sunset: 6:44 pm CDT
  • ▼
Today, scattered clouds may briefly filter the sunlight, but it will remain bright overall.
Significant temperature fluctuations from a high of an agreeable 69.8°F to a low of an icy 37.4°F are forecasted.
Forecasts show a high closer to September's climate pattern, around 74.3°F, rather than October's 56.3°F.
Sunrise will be at 7:55 am and sunset at 6:44 pm; the daylight will last for 10h and 50min.

Hourly overview

Hourly temperatures

Warmest hour: 4 pm 68°C.
Coldest hour: 7 am 39°C.

Chance of precipitation

Highest chance: 7 am - 10 am 2%.

Hourly weather forecast

  • 2 am
  • 46°F
  • Feels like:
    41°F
Mostly Clear
Mostly Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 11mphS 171°
  • Humidity: 63%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 43°F
  • Feels like:
    39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphS 174°
  • Humidity: 73%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 41°F
  • Feels like:
    36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphSSE 168°
  • Humidity: 82%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:55 am
  • 8 am
  • 39°F
  • Feels like:
    36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphSSE 169°
  • Humidity: 89%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 48°F
  • Feels like:
    46°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphSE 139°
  • Humidity: 73%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphNE 36°
  • Humidity: 46%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphNE 35°
  • Humidity: 36%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphNNE 34°
  • Humidity: 31%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphNNE 33°
  • Humidity: 33%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:44 pm
  • 8 pm
  • 55°F
  • Feels like:
    54°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphNNE 28°
  • Humidity: 43%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 52°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphNNE 28°
  • Humidity: 50%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, a combination of mostly clear and cloud-filled weather is predicted.
The temperature will vary between the lowest temperature of 39.2°F and the highest temperature of 68°F. The warmest part of the day will be from 3 pm to 5 pm.
Today, the temperature will be closer to September's norm than to October's average of 56.3°F. Today, the lowest temperature will be similar to October's usual minimum.
Updated: Oct 18, 2026 @ 05:38:17 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 12:38 am CDT is 48.2°F. Feels-like temperature is 42.8°F.

On Sunday, in Chelsea, clouds and sunshine will alternate throughout the day.

Today, the maximum temperature will be 69.8°F, while the minimum temperature will be 37.4°F.
Today, the highest temperature will be notably higher than the average maximum of 56.3°F in October. Today, the lowest temperature will be in line with the average low temperature.

On Sunday, in Chelsea, sunrise will be at 7:55 am and sunset at 6:44 pm (CDT).

Today, the daylight will last for 10h and 50min.